/* =========================================================
   Quality Home Tutors — Design Tokens & Base Styles
   ========================================================= */

:root {
  /* Color tokens */
  --color-primary: #0F172A;
  --color-primary-hover: #1E293B;
  --color-on-primary: #FFFFFF;
  --color-secondary: #334155;
  --color-accent: #0369A1;         /* Parent / Student journey */
  --color-accent-hover: #075985;
  --color-on-accent: #FFFFFF;
  --color-warm: #C2650A;           /* Tutor journey */
  --color-warm-hover: #A5540A;
  --color-on-warm: #FFFFFF;
  --color-background: #F8FAFC;
  --color-foreground: #0F172A;
  --color-card: #FFFFFF;
  --color-card-foreground: #0F172A;
  --color-muted: #EEF2F6;
  --color-muted-foreground: #47556A;
  --color-border: #E2E8F0;
  --color-destructive: #B91C1C;
  --color-ring: #0369A1;

  /* Typography */
  --font-heading: 'Outfit', 'Work Sans', system-ui, sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;

  /* Spacing scale (8pt rhythm) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.14);
  --transition-fast: 160ms ease;
  --transition-base: 220ms ease;
  --container-max: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-foreground);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 var(--space-2); max-width: 68ch; }

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

ul { padding-left: 1.2em; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -60px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-2);
}

:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* =========================================================
   Layout helpers
   ========================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.container.container--wide {
  max-width: 1360px;
}

.section {
  padding-block: var(--space-6);
}

.section--muted {
  background: var(--color-muted);
}

.section--dark {
  background: var(--color-primary);
  color: #E2E8F0;
}
.section--dark h2, .section--dark h3 { color: #FFFFFF; }
.section--dark p { color: #CBD5E1; }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 860px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  padding: 0.9rem 1.5rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-hover); }

.btn-warm {
  background: var(--color-warm);
  color: var(--color-on-warm);
  box-shadow: var(--shadow-sm);
}
.btn-warm:hover { background: var(--color-warm-hover); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline:hover { background: var(--color-muted); }

.btn-ghost {
  background: transparent;
  color: var(--color-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-muted); color: var(--color-primary); }

.btn-outline-invert {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.45);
}
.btn-outline-invert:hover { background: rgba(255,255,255,0.12); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.9rem; min-height: 40px; }

.btn .icon { width: 20px; height: 20px; flex: none; }

/* =========================================================
   Header / Navigation
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text small {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
}

.main-nav {
  display: none;
}
.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.nav-ctas {
  display: none;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }

.mobile-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-card);
  padding: var(--space-2) var(--space-3) var(--space-3);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav ul {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-nav a {
  display: block;
  padding: 0.75rem 0.5rem;
  color: var(--color-secondary);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.mobile-nav a[aria-current="page"] {
  color: var(--color-accent);
  background: var(--color-muted);
}
.mobile-nav a:hover { background: var(--color-muted); text-decoration: none; }
.mobile-nav .nav-ctas {
  display: flex;
  flex-direction: column;
}

@media (min-width: 1180px) {
  .main-nav { display: block; }
  .nav-ctas { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  padding-block: var(--space-6) var(--space-5);
  background:
    radial-gradient(1200px 480px at 85% -10%, rgba(3, 105, 161, 0.10), transparent 60%),
    var(--color-background);
}
.hero-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-muted);
  color: var(--color-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-muted-foreground);
  max-width: 54ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: var(--space-3);
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-secondary);
}
.hero-trust-item .icon { width: 20px; height: 20px; color: var(--color-accent); }

.hero-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
}
.hero-card h3 { margin-bottom: 0.25rem; }
.hero-price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3rem;
  color: var(--color-primary);
  line-height: 1;
  margin: var(--space-2) 0 0.25rem;
}
.hero-price span {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-muted-foreground);
}
.hero-card ul {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.hero-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.95rem;
  color: var(--color-secondary);
}
.hero-card li .icon { width: 20px; height: 20px; color: var(--color-accent); flex: none; margin-top: 1px; }

/* =========================================================
   Cards / Features
   ========================================================= */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-muted);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}
.feature-icon .icon { width: 24px; height: 24px; }
.feature-icon--warm { background: #FBEBDA; color: var(--color-warm); }

/* Action cards (placeholder CTA grid) */
.action-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 100%;
}
.action-card h3 { margin-bottom: 0; }
.action-card p { font-size: 0.93rem; color: var(--color-muted-foreground); margin-bottom: 0; flex: 1; }

/* Steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: var(--space-3);
}
@media (min-width: 860px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}
.step {
  position: relative;
  padding-top: var(--space-2);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

/* Levels / subjects pills */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.pill {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
}

/* =========================================================
   Page hero (interior pages)
   ========================================================= */
.page-hero {
  padding-block: var(--space-5) var(--space-4);
  background: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-muted-foreground);
  margin-bottom: var(--space-2);
}
.breadcrumbs a { color: var(--color-muted-foreground); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs [aria-current="page"] { color: var(--color-secondary); font-weight: 600; }

/* =========================================================
   Audience banner (parents vs tutors)
   ========================================================= */
.audience-banner {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  color: #fff;
}
.audience-banner--accent { background: linear-gradient(135deg, var(--color-accent), #0C4A6E); }
.audience-banner--warm { background: linear-gradient(135deg, var(--color-warm), #7C2D12); }
.audience-banner h2, .audience-banner p { color: #fff; }
.audience-banner p { opacity: 0.92; }

/* =========================================================
   Pricing
   ========================================================= */
.pricing-card {
  background: var(--color-card);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  box-shadow: var(--shadow-md);
  max-width: 560px;
  margin-inline: auto;
}
.pricing-card .hero-price { font-size: 4rem; }
.pricing-compare {
  display: grid;
  gap: var(--space-2);
  text-align: left;
  margin-top: var(--space-3);
}
.pricing-compare .no-item,
.pricing-compare .yes-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
}
.pricing-compare .icon { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.pricing-compare .yes-item .icon { color: #15803D; }
.pricing-compare .no-item .icon { color: var(--color-muted-foreground); }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid {
  display: grid;
  gap: var(--space-3);
}
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.contact-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item .icon { width: 22px; height: 22px; color: var(--color-accent); flex: none; margin-top: 2px; }
.contact-item h4 { margin-bottom: 0.15rem; }
.contact-item p { margin-bottom: 0; color: var(--color-secondary); }
.contact-item a { color: var(--color-secondary); font-weight: 600; }
.contact-item a:hover { color: var(--color-accent); }

.map-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  min-height: 320px;
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
  display: block;
}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band {
  text-align: center;
}
.cta-band .btn { margin-top: var(--space-1); }
.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: var(--space-3);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-primary);
  color: #CBD5E1;
  padding-block: var(--space-6) var(--space-4);
}
.footer-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-brand { display: flex; align-items: center; gap: 0.6rem; margin-bottom: var(--space-2); }
.footer-brand span { color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; }
.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.site-footer p { color: #94A3B8; font-size: 0.92rem; }
.site-footer a { color: #CBD5E1; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; font-size: 0.92rem; }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  font-size: 0.82rem;
  color: #94A3B8;
}
.disclosure {
  font-size: 0.82rem;
  color: #94A3B8;
  max-width: 60ch;
}

/* =========================================================
   Modal (placeholder / coming soon)
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  z-index: 1000;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  max-width: 440px;
  width: 100%;
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
}
.modal-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-muted);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}
.modal-icon .icon { width: 26px; height: 26px; }
.modal h2 { font-size: 1.3rem; }
.modal p { color: var(--color-muted-foreground); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: var(--space-3);
}

/* =========================================================
   Utilities
   ========================================================= */
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mt-0 { margin-top: 0; }
.max-w-prose { max-width: 62ch; }
.stack { display: flex; flex-direction: column; gap: var(--space-2); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #ECFDF5;
  color: #047857;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
}